Finished lab_server routes in views.py, not except

Still having issues handling exceptions to get the 400 error when
a topic or rhyme is not found. Was able to finish the rhyming couplet
though, so that's progress.

poem_server/app/views.py

@@ -11,17 +11,18 @@ def get_random_line(params):
 def get_about_line(params):
     try:
         line = Line.objects.filter(clean_text__contains=params['topic']).random()
-        return line.to_dict()
-    except:
-        raise NotFound("Line not found")
+        return {'line': line.text, 'topic': params['topic']}
+    except Line.DoesNotExist:
+        raise BadRequest("Line not found with that topic")
 
 @route_get('lines/rhyme', args={'word': str})
 def get_rhyme_line(params):
     try:
         rhyme = Rhyme.get_rhyme_for_word(params['word']).lines.exclude(clean_text__endswith=" "+params['word']).first()
+        return {'line': rhyme.text, 'word': params['word']}
         return rhyme.to_dict()
     except Rhyme.DoesNotExist:
-        raise NotFound("Rhyme not found")
+        raise BadRequest("Rhyme not found")
 
 @route_get('couplets/random', args={})
 def get_random_couplet(params):
@@ -32,7 +33,7 @@ def get_random_couplet(params):
             #print(rhyme.text)
         return {'lines': [line.text, rhyme.text]}
     except Line.DoesNotExist:
-        raise NotFound("Rhyme not found")
+        raise BadRequest("Rhyme not found")
 
 @route_get('couplets/about', args={'topic': str})
 def get_about_couplet(params):
@@ -40,17 +41,20 @@ def get_about_couplet(params):
         line = Line.objects.filter(clean_text__contains=params['topic']).random()
         for rl in line.rhyming_lines().sample(1):
             rhyme = rl
-        return {'lines': [line.text, rhyme.text]}
-    except:
-        pass
+        return {'lines': [line.text, rhyme.text], 'topic': params['topic']}
+    except Line.DoesNotExist:
+        raise BadRequest("Couplet not found with given topic")
 
 @route_get('couplets/rhyme', args={'word': str})
 def get_rhyme_couplet(params):
     try:
         toRhyme = Rhyme.get_rhyme_for_word(params['word']).lines.exclude(clean_text__endswith=" " + params['word']).first()
-        line = Line.
-        for rl in line.rhyming_lines().sample(1):
+        #line = Line.
+        for rl in toRhyme.rhyming_lines().sample(1):
             rhyme = rl
-        return {'lines': [line.text, rhyme.text]}
-    except:
-        pass
+        return {'lines': [rhyme.text, toRhyme.text], 'word': params['word']}
+    except Rhyme.DoesNotExist:
+        raise BadRequest("Did not find a couplet that rhymes with given word")
+    except Exception as e:
+        if isinstance(e, BadRequest):
+            raise BadRequest(f"Couldn't figure out how to pronounce {params['word']}")